Home / 28,185.28-42,223.19-25,190.80

Finding the Fourth Proportional to 28,185.28, 42,223.19 and 25,190.80

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Solution

The fourth proportional to 28,185.28, 42,223.19 and 25,190.80 is: 37,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.28 : 42,223.19 = 25,190.80 : x
  2. Step 2: Convert to fraction form
    28,185.28/42,223.19 = 25,190.80/x
  3. Step 3: Cross multiply
    28,185.28x = 42,223.19 × 25,190.80
  4. Step 4: Simplify right side
    28,185.28x = 1,063,635,723.54
  5. Step 5: Solve for x
    x = 1,063,635,723.54/28,185.28
  6. Step 6: Final answer
    x = 37,737.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.